The Cap,valve,gas Cylinder Outlet, cataloged under National Stock Number 8120-00-674-1663, is classified within Federal Supply Class 8120 (Commercial and Industrial Gas Cylinders) of the Containers, Packaging, and Packing Supplies group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 8120-00-674-1663 |
| Item Name | Cap,valve,gas Cylinder Outlet |
| FSC / FSG | 8120 / 81 — Commercial and Industrial Gas Cylinders |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Accommodation Type | HEXAGON END GRIPPING |
| Thread Length | 0.875 INCHES NOMINAL IN |
| Thread Diameter | 0.688 INCHES NOMINAL IN |
| Material Document and Classification | QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Features Provided | BREATHER HOLE |
| Surface Treatment | ANODIZE OVERALL |
| Thread Class | 3B |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| Thread Series Designator | UNEF |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 208289 | 3/2 Design control — primary reference U.S. Government activity |
| 208289 | 5/9 Secondary reference Kidde-Fenwal, Llc |
NSN 8120-00-674-1663 is a Cap,valve,gas Cylinder Outlet, classified under FSC 8120, Commercial and Industrial Gas Cylinders. Status: active.
Key specifications for 8120-00-674-1663: Surface Treatment Document and Classification: MIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Accommodation Type: HEXAGON END GRIPPING; Thread Length: 0.875 INCHES NOMINAL IN; Thread Diameter: 0.688 INCHES NOMINAL IN. 10 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.